Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Co, 1894)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1897)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1886)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1895)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and company, 1893)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1880)

Zoology : for students and general readers - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1879)

Zoology of New York; or, The New York Fauna; comprising detailed descriptions of all the animals hitherto observed within the state of New York, with brief notices of those occasionally found near its borders, and accompanied by appropriate illustrations - De Kay, James E. (James Ellsworth), 1792 -1851 (W. & A. White & J. Visscher, 1844)

Zur Ornithologie Brasiliens : Resultate von Johann Natterers Reisen in den Jahren 1817 bis 1835 - Natterer, Johann, 1787 -1843 (A. Pichler's Witwe & Sohn, 1871)

Zur vergleichenden Anatomie des Brustschulterapparates und der Schultermuskeln. V. Teil, Vögel - Fürbringer, Maximilian, 1846 -1920 (Gustav Fischer, 1902)